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GeForce GTX 1660 Ti vs Radeon RX 6600 XT

Intro

The GeForce GTX 1660 Ti has a clock speed of 1500 MHz and a GDDR6 memory speed of 1500 MHz. It also makes use of a 192-bit memory bus, and makes use of a 12 nm design. It features 1536 SPUs, 96 Texture Address Units, and 48 Raster Operation Units.

Compare those specs to the Radeon RX 6600 XT, which features clock speeds of 1968 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR6 memory. It features 2048 SPUs along with 128 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon RX 6600 XT 160 Watts
Difference: 40 Watts (33%)

Memory Bandwidth

Performance-wise, the GeForce GTX 1660 Ti should in theory be a little bit superior to the Radeon RX 6600 XT in general. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Radeon RX 6600 XT 262144 MB/sec
Difference: 32768 (13%)

Texel Rate

The Radeon RX 6600 XT should be a lot (about 75%) better at AF than the GeForce GTX 1660 Ti. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 107904 (75%)

Pixel Rate

The Radeon RX 6600 XT will be much (approximately 75%) faster with regards to FSAA than the GeForce GTX 1660 Ti, and should be capable of handling higher screen resolutions more effectively. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
GeForce GTX 1660 Ti 72000 Mpixels/sec
Difference: 53952 (75%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon RX 6600 XT

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 1660 Ti Radeon RX 6600 XT
Manufacturer nVidia AMD
Year February 2019 August 2021
Code Name TU116-400-A1 Navi 23 XT
Memory 6144 MB 8192 MB
Core Speed 1500 MHz 1968 MHz
Memory Speed 1500 GB/s 2000 GB/s
Power (Max TDP) 120 watts 160 watts
Bandwidth 294912 MB/sec 262144 MB/sec
Texel Rate 144000 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 96 128
Render Output Units 48 64
Bus Type GDDR6 GDDR6
Bus Width 192-bit 128-bit
Fab Process 12 nm 7 nm
Transistors 6600 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon RX 6600 XT

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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